If a series of four alleles exists in a given diploid (2n) species, how many alleles...
If a series of four alleles exists in a given diploid
(2n) species, how many alleles would be present in:
a. a chromosome?
b. a pair of chromosomes?
c. an individual member of the species?
How many genotypic combinations would occur in the entire
species?
Homework Answers
a) Regardless of the ploidy level, a single chromosome has 1 allele.
b) A pair of chromosomes will have 2 alleles.
c) An individual member of a diploid species will have 2 alleles, one derived maternally and one derived paternally.
d)
Since there are 4 alleles for the given locus. Let's take these alleles to be A, B, C, and D. The following 10 genotypic combinations can exist with these alleles:
- AA
- AB
- AC
- AD
- BB
- BC
- BD
- CC
- CD
- DD
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If a series of four alleles exists in a given diploid
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Species 1 is diploid (2n = 4) with chromosomes AABB, a related Species ll is diploid...
Species 1 is diploid (2n = 4) with chromosomes AABB, a related Species ll is diploid (2n-4) with chromosomes CCDD. Indicate the chromosomes that would be found in individuals with the following chromosome mutations. a. an autotetraploid of Species I b. an allohexaploid c. risomic for chromosome B d. a nullisomic for chromosome C
1) An organism has 2n = 6 chromosomes with alleles A B / a b on...
1) An organism has 2n = 6 chromosomes with alleles A B / a b on the chromosome 1 homologous pair, alleles D / d on the chromosome 2 homologous pair, alleles E F / e f on the chromosome 3 homologous pair. Show two different ways that chromosomes could align at the metaphase plate during Meiosis I (show the chromosomes and alleles). Assume no crossing over. How many combinations of chromosomes are possible in the gametes? Please show me...
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9. Imagine an organism with a diploid number of 16. How many chromosomes would be present...
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12. A diploid organism has a total of 24 chromosomes. Assuming all possible chromosome combinations are...
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am 11 westion 7 a) A Drosophila species is diploid (2n=8), with letters H through J corresponding to four different chromosomes. In this species, how would you categorize the following genomes? For full credit include the ploidy formula and the technical name for the each. (4 points) a. HH I J KK b. HH III JJ KK c. HHHH III JJJJ KKKK d. HH II JJ KK b) What is the difference between trisomy and triploid and which is likely...
A diploid organism has a chromosome number 2n=6. How many chromatids will be present during metaphase...
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Draw a complete set of chromosome diagrams to accurately illustrate the four stages of mitosis in...
Draw a complete set of chromosome diagrams to
accurately illustrate the four stages of mitosis in a diploid (2n)
animal cell with the genotype " AaBb" label alleles on all the
chromatids you draw
10. Draw a complete set of chromosome diagrams to accurately wustrate the sou of mitosis in a diploid (2n) animal cell with the genotype "AaBb". Label alleles on all the chromatids you draw. Before you begin: How many chromosomes will you draw in the first cell...
2. A diploid cell contains two pairs of chromosomes, which we will call 1 and 2....
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Species 1 is diploid (2n = 4) with chromosomes AABB, a related Species ll is diploid (2n-4) with chromosomes CCDD. Indicate the chromosomes that would be found in individuals with the following chromosome mutations. a. an autotetraploid of Species I b. an allohexaploid c. risomic for chromosome B d. a nullisomic for chromosome C
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A diploid organism has a chromosome number 2n=6. How many chromatids will be present during metaphase of meiosis? Select one: O a. 3 b. 9 O c. 24 Od. 12 e. 6
Draw a complete set of chromosome diagrams to
accurately illustrate the four stages of mitosis in a diploid (2n)
animal cell with the genotype " AaBb" label alleles on all the
chromatids you draw
10. Draw a complete set of chromosome diagrams to accurately wustrate the sou of mitosis in a diploid (2n) animal cell with the genotype "AaBb". Label alleles on all the chromatids you draw. Before you begin: How many chromosomes will you draw in the first cell...
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